A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst. That ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

In a study of chimpanzee and monkey anatomy, primate arms provide hints about how our ancestors got to the ground in one piece. By Miriam Fauzia Millions of years ago, a simian ancestor of humanity ...

Phylogenetic analysis of primate mitochondrial genomes has become a cornerstone for reconstructing evolutionary relationships and divergence times across the order Primates. By sequencing complete ...

WASHINGTON — One of the earliest primates lived in trees and relied more on smell than vision, a new study indicates. A tiny cousin of the earliest ancestors of humans lived 54 million years ago in ...

On a recent day at the Oakland Zoo's animal hospital, across the bay from San Francisco, an endangered Mexican spider monkey leaps onto tree branches, climbs across platforms and swings on ropes in a ...